Strong coding and instruction-following for agents.
Model details →Claude 3.7 Sonnet vs DeepSeek V4 Pro
DeepSeek V4 Pro wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
DeepSeek V4 Pro — flagship API tier with discounts published on DeepSeek pricing page; verify live rates before billing.
Model details →Side-by-side comparison
| Capability | Claude 3.7 Sonnet | DeepSeek V4 Pro | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 1M | 🏆 DeepSeek V4 Pro |
| Input price (per 1M) Cost per million input tokens billed by the provider. | Custom | Custom | — |
| Output price (per 1M) Cost per million output tokens billed by the provider. | Custom | Custom | — |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is Claude 3.7 Sonnet better than DeepSeek V4 Pro?
DeepSeek V4 Pro wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Claude 3.7 Sonnet and DeepSeek V4 Pro?
Input: Custom vs Custom per 1M tokens. Output: Custom vs Custom per 1M tokens.
What context windows do Claude 3.7 Sonnet and DeepSeek V4 Pro support?
Claude 3.7 Sonnet supports up to 200K tokens. DeepSeek V4 Pro supports up to 1M tokens.
Do both Claude 3.7 Sonnet and DeepSeek V4 Pro support tool calling?
Claude 3.7 Sonnet: not advertised. DeepSeek V4 Pro: not advertised.